Tester Adapter
$17.89
BFNG
Part # 12404S
4.7(47 reviews)Tester Adapter
Fits Chrysler, Dodge, Plymouth — 2,972 vehicle applications
Call for Price
Contact us at 1-866-461-2787 for pricing
available
Contact us at 1-866-461-2787 for pricing
Call for PriceFree ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy
Canadian OwnedShipped across Canada
Will this fit your vehicle?
Select your vehicle to check fitment.
BFNG 12404S Vehicle Fitment
Fits 2,972 vehiclesThis Tester Adapter fits Chrysler, Dodge, Plymouth vehicles.
1981 Dodge B150
1981 Dodge B250
1981 Dodge B350
1979 Dodge Magnum
1979 Dodge St. Regis
1978-1980 Dodge RD200
1978-1980 Dodge D400
1978-1980 Dodge D450
1977-1980 Dodge D150
1977-1980 Dodge W150
1977-1979 Dodge Diplomat
1976-1980 Dodge Aspen
1975-1980 Dodge B100
1975-1980 Dodge B200
1975-1980 Dodge B300
1975-1980 Dodge CB300
1975-1980 Dodge D200
1975-1980 Dodge D300
1975-1980 Dodge Ramcharger
1975-1980 Dodge W200
1975-1980 Dodge W300
1975-1979 Dodge D100
1975-1978 Dodge Charger
1975-1977 Dodge Monaco
1975-1977 Dodge Royal Monaco
1975-1977 Dodge W100
1975-1976 Dodge Coronet
1975-1976 Dodge Dart
BFNG 12404S Specifications
- End 1 Inside Diameter
- 1.40 in
- Fittings Included
- No
- Prop 65
- WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- End 2 Outside Diameter
- 1.57 in
- Hose Included
- No
- Prop 65
- ADVERTENCIA: Riesgo de cáncer y daños reproductivos - www.p65warnings.ca.gov
BFNG 12404S Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
12404S12404S124041240412404S12404
BFNG 12404S Product Description
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
Key Features
- Adapters meet EPA standards for recommended fleet coverage.
- Check adapter application chart for specific makes and models
- BAR Certified adapters
- Adapter check's a fuel cap's ability to hold pressure.
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
About BFNG
Shop BFNG Fuel Cap Tester Adapter at Autrex with vehicle fitment details, current pricing, and checkout options for the BFNG 12404S. Eligible orders over $99 may qualify for free shipping, with some exceptions.
Ratings & Reviews
4.7out of 5
Based on 47 reviews
- 538
- 46
- 31
- 21
- 11
- Direct fit, no surprisesMarc D.Verified BuyerMay 28, 2026
Lined up perfectly with the original. Install took about an hour with the right press. Solid feel back in the steering, no more clunk over bumps.
Installed on 2016 Ram 1500
- Shipped fast across CanadaJen P.Verified BuyerMay 14, 2026
Ordered on a Monday, had it by Wednesday in Calgary. Greasable fitting is a nice touch. Quality looks on par with OEM.
Installed on 2014 Chevrolet Silverado 1500
- Good part, double-check your sideSteve R.Verified BuyerApr 30, 2026
Works great so far. Just confirm fitment for your exact trim before ordering — the fitment list on the page was accurate for mine.
Installed on 2017 Ford F-150
- Quiet againAmrit S.Verified BuyerApr 19, 2026
Replaced both sides at the same time. The knocking noise is completely gone. Boot quality feels durable.
Installed on 2015 GMC Sierra 1500
- Would buy againDaniel L.Mar 22, 2026
Second one I've bought from Autrex. Packaging was secure and the part matched the photos exactly.
Installed on 2013 Dodge Durango
Frequently Asked Questions — BFNG 12404S
What vehicles does the BFNG 12404S fit?
The BFNG 12404S fits 40 vehicle applications including 1978-1981 Chrysler Town & Country, 1981 Dodge B150, 1981 Dodge B250, 1981 Dodge B350, 1981 Plymouth PB150 and 35 more. Check the full fitment list above to confirm your vehicle.
What parts does the BFNG 12404S replace?
The BFNG 12404S is a direct replacement for 12404S, 12404S, 12404, 12404, 12404S and 1 other part numbers. See the full interchange list for all compatible replacements.
What are the shipping options for the BFNG 12404S?
Shipping options for the BFNG 12404S are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.
What is the price of the BFNG 12404S?
For current pricing on the BFNG 12404S, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.
Is the Tester Adapter a direct fit replacement?
Yes, the Tester Adapter by BFNG is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
What warranty does the Tester Adapter come with?
The Tester Adapter comes with the standard BFNG manufacturer warranty. Please check the product specifications for exact warranty terms.
